feat: frontend unit tests

frontend/tests/utils/helpers/formatManagementTableDate.test.ts

@@ -0,0 +1,15 @@
+import { formatManagementTableDate } from '../../../src/static/js/utils/helpers/formatManagementTableDate';
+
+describe('js/utils/helpers', () => {
+    describe('formatManagementTableDate', () => {
+        test('Formats date with zero-padded time components', () => {
+            const d = new Date(2021, 0, 5, 3, 7, 9); // Jan=0, day 5, 03:07:09
+            expect(formatManagementTableDate(d)).toBe('Jan 5, 2021 03:07:09');
+        });
+
+        test('Formats date with double-digit time components and month abbreviation', () => {
+            const d = new Date(1999, 11, 31, 23, 59, 58); // Dec=11
+            expect(formatManagementTableDate(d)).toBe('Dec 31, 1999 23:59:58');
+        });
+    });
+});